Redmi K90 Ultra vs Xiaomi 17T

The Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite, while the Xiaomi 17T (2026) runs on the MediaTek Dimensity 8500 Ultra; launch prices were $420 and $449. By overall MobileRank rating, the Redmi K90 Ultra leads — 73/100 vs 71/100 (a 2-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 6500); the Redmi K90 Ultra is faster in AnTuTu (3,233,695 vs 2,026,828); the Xiaomi 17T is noticeably lighter (185g vs 227g).

The Redmi K90 Ultra edges out the Xiaomi 17T by just 2 points — the two devices are very close in overall level.

Profile comparison

Category scores

Redmi K90 Ultra

Performance 92
Display 94
Camera 37
Battery 78
Portability 40
Value for money 72

Xiaomi 17T

Performance 76
Display 85
Camera 63
Battery 63
Portability 74
Value for money 66

What makes Redmi K90 Ultra better?

  • Higher AnTuTu: 3233695 vs 2026828
  • Better Geekbench Single: 3013 vs 1555
  • Better Geekbench Multi: 9287 vs 6405
  • Bigger battery: 8550 vs 6500 mAh
  • Faster charging: 100W vs 67W
  • Higher refresh rate: 165Hz vs 120Hz
  • Cheaper at launch: $420 vs $449

  • Higher performance (92/100 vs 76/100)
  • Longer battery life (78/100 vs 63/100)
  • Better display (94/100 vs 85/100)

What makes Xiaomi 17T better?

  • Lighter: 185g vs 227g

  • Better camera (63/100 vs 37/100)
  • Better portability (74/100 vs 40/100)

Comparison verdict

Comparing the Redmi K90 Ultra vs the Xiaomi 17T, the Redmi K90 Ultra scores 2 points higher (73/100 vs 71/100). In the "performance" category, the Redmi K90 Ultra leads (92/100 vs 76/100). In the "camera" category, the Xiaomi 17T leads (63/100 vs 37/100). In the "battery" category, the Redmi K90 Ultra leads (78/100 vs 63/100). Value score: Redmi K90 Ultra — 72/100, Xiaomi 17T — 66/100; it shows how far a model sits above or below the usual level for its price, and is not part of the overall rating. In the "performance" category, the Redmi K90 Ultra notably outperforms the Xiaomi 17T (92/100 vs 76/100). In the "display" category, the Redmi K90 Ultra is a bit better (94/100 vs 85/100). In the "camera" category, the Xiaomi 17T notably outperforms the Redmi K90 Ultra (63/100 vs 37/100). In the "battery" category, the Redmi K90 Ultra notably outperforms the Xiaomi 17T (78/100 vs 63/100). In the "portability" category, the Xiaomi 17T significantly outperforms the Redmi K90 Ultra (74/100 vs 40/100).

Redmi K90 Ultra: The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life.
Xiaomi 17T: The Xiaomi 17T is a better fit for active users.

Specs comparison

Specification Redmi K90 Ultra Xiaomi 17T
Processor Qualcomm Snapdragon 8 Elite MediaTek Dimensity 8500 Ultra
AnTuTu 3233695 2026828
Geekbench Single 3013 1555
Geekbench Multi 9287 6405
Display 6.8" AMOLED 6.6" AMOLED
Resolution 1280x2772 2756x1268
Refresh rate 165 Hz 120 Hz
Battery 8550 mAh 6500 mAh
Charging 100W 67W
Main camera 50 MP 50 MP
Ultrawide 8 MP 12 MP
Telephoto 0 MP 50 MP
Front camera 20 MP 32 MP
RAM 12GB / 16GB 12GB
Storage 256GB / 512GB 256GB / 512GB
OS Android 16 Android 16
Brightness (peak) 3500 nits —
NFC yes yes
Protection IP68/IP69 IP68
Dimensions 162.9×77.9×8.2 mm —
Weight 227 g 185 g
Launch price $420 $449

Camera comparison

Redmi K90 Ultra

  • Main: 50MP f/1.7
  • Ultrawide: 8MP
  • Front: 20MP
37
camera

Xiaomi 17T

  • Main: 50MP f/1.7
  • Ultrawide: 12MP
  • Telephoto: 50MP
  • Front: 32MP
63
camera

Display comparison

Redmi K90 Ultra

  • 6.8" AMOLED
  • Resolution: 1280x2772
  • Refresh rate: 165 Hz
94
display

Xiaomi 17T

  • 6.6" AMOLED
  • Resolution: 2756x1268
  • Refresh rate: 120 Hz
85
display

Battery and charging

Redmi K90 Ultra

  • 8550 mAh
  • Wired: 100W
  • No wireless charging
78
battery

Xiaomi 17T

  • 6500 mAh
  • Wired: 67W
  • No wireless charging
63
battery

Overall performance score

We compared Redmi K90 Ultra and Xiaomi 17T, covering their specs and all relevant benchmarks.

Redmi K90 Ultra Qualcomm Snapdragon 8 Elite
73/100
3233695 AnTuTu
Xiaomi 17T MediaTek Dimensity 8500 Ultra
71/100 -59.5%
2026828 AnTuTu

Redmi K90 Ultra leads Xiaomi 17T by 59.5% in our overall performance rating.

Benchmarks

Launch prices and where to check today's

Redmi K90 Ultra

$420

Xiaomi 17T

$449

Launch price difference: $29. Redmi K90 Ultra was $29 cheaper at launch.

Detailed category analysis

performance

In the "performance" category, the Redmi K90 Ultra notably outperforms the Xiaomi 17T (92/100 vs 76/100).

display

In the "display" category, the Redmi K90 Ultra is a bit better (94/100 vs 85/100).

camera

In the "camera" category, the Xiaomi 17T notably outperforms the Redmi K90 Ultra (63/100 vs 37/100).

battery

In the "battery" category, the Redmi K90 Ultra notably outperforms the Xiaomi 17T (78/100 vs 63/100).

portability

In the "portability" category, the Xiaomi 17T significantly outperforms the Redmi K90 Ultra (74/100 vs 40/100).

Frequently asked questions

Which is better: the Redmi K90 Ultra or the Xiaomi 17T?

The Redmi K90 Ultra edges out the Xiaomi 17T by just 2 points — the two devices are very close in overall level.

What is the rating of the Redmi K90 Ultra and the Xiaomi 17T?

The Redmi K90 Ultra has a MobileRank rating of 73/100, the Xiaomi 17T — 71/100.

Which has the better camera: the Redmi K90 Ultra or the Xiaomi 17T?

The Xiaomi 17T leads on camera score (63/100 vs 37/100).

Which is more powerful: the Redmi K90 Ultra or the Xiaomi 17T?

The Redmi K90 Ultra leads on performance (92/100 vs 76/100).

Should you choose the Redmi K90 Ultra over the Xiaomi 17T?

The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life. The Xiaomi 17T is a better fit for active users.